
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Question
The normal boiling point of water is 100.0 °C and its molar enthalpy of vaporization is 40.67 kJ/mol. What is the change in entropy in the system in J/K when 34.2 grams of steam at 1 atm condenses to a liquid at the normal boiling point?
A -40.7 |
B 373 |
C -88.8 |
D -207 |
E 88.8 |
Expert Solution

This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution
Trending nowThis is a popular solution!
Step by stepSolved in 3 steps with 3 images

Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
- For water, H20, the heat of vaporization at its normal boiling point of 100 °C is 40.7 kJ/mol. The entropy change when 1.76 moles of H20 vapor condenses at 100 °C, 1 atm is J/K.arrow_forwardGiven the particulate models here that depict Cu in solid form, Br2 in liquid form, and He in gaseous form, answer the following questions regarding the changes in entropy. Calculate the change in entropy if Br2(l) is converted into gaseous Br atoms. S° for Br2(l) = 152.2 J/(mol•K)S° for Br2(g) = 245.5 J/(mol•K)S° for Br(g) = 175.0 J/(mol•K)arrow_forwardThe heat of vaporization of carbon disulfide, CS2, at 25°C is 27.2 kJ/mol. What is the entropy change when 1.60 mol of vapor in equilibrium with liquid condenses to liquid at 25°C? The entropy of this vapor at 25°C is 243 J/(mol.K). Entropy change J/K = What is the entropy of the liquid at this temperature? Entropy J/K =arrow_forward
- Given the particulate models here that depict Cu in solid form, Br2 in liquid form, and He in gaseous form, answer the following questions regarding the changes in entropy. Calculate the change in entropy if Br2(l) is converted to Br2(g).S° for Br2(l) = 152.2 J/(mol•K)S° for Br2(g) = 245.5 J/(mol•K)S° for Br(g) = 175.0 J/(mol•K)arrow_forwardConsider the combustion of propane gas: C3H8(g) + 5O2(g) ------> 3CO2(g) + 4H2O(g) ΔHrxn = - 2044 kJ Determine the sign of the entropy change for the system.arrow_forwardWhat is the change in entropy, AS, for the following reaction? Use Table G in your book for values of standard entropies. Your answer should be in J/K mol. CaCO3(s) + 2 H'(aq) → → Ca² (aq) + H₂O(l) + CO2(g) O 264.9 J/K mol O 118.6 J/K mol 394.3 J/K mol 137.7 J/K mol 2arrow_forward
- The freezing point of methanol (CH3OH) is -97.8 °C. The enthalpy of fusion is 3.16 kJ/mol. Calculate the entropy of fusion of methanol.arrow_forwardFor silicon, Si, the heat of fusion at its normal melting point of 1410 °C is 46.4 kJ/mol. The entropy change when 2.12 moles of liquid Si freezes at 1410 °C, 1 atm is J/K.arrow_forwardThe normal boiling point of ethanol, C2H5OH, is 78.3°C, and its molar enthalpy of vaporization is 38.56KJ/mol. What is the change in entropy in the system when 68.3 g of ethanol vapor at 1 atm condenses to liquid at the normal boiling point? O 163J/K O 160J/K O -163 J/K O -160J/Karrow_forward
- What is the molar change in entropy of tetrachlorosilane when it boils at 57.65°C given that AHvap = 28.7 kJ/mol? 104 J/mol·K 63.1 J/mol·K 86.8 J/mol·K 74.9 J/mol·K 98.7 J/mol·Karrow_forwardDetermine the standard entropy of NO(g) given the following information: NO(g)+0,(g) → NO, (g) AS xn = -73.2 J/K Substance S° (J/mol · K) NO2(3) 240.0 O2(g) 205.0 NO(g) ? O -210.7 J/K O +210.7 J/K +108.2 J/K -108.2 J/K O +54.1 J/Karrow_forwardDetermine the total entropy change when 15.00 g of ice at –15°C is heated to 75°C. The molar heat of fusion of ice is 6.02 kJ/mol, and its specific heat is 2.11 J/g °C. The specific heat of water is 4.184 J/g °Carrow_forward
arrow_back_ios
arrow_forward_ios
Recommended textbooks for you
- ChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage LearningChemistryChemistryISBN:9781259911156Author:Raymond Chang Dr., Jason Overby ProfessorPublisher:McGraw-Hill EducationPrinciples of Instrumental AnalysisChemistryISBN:9781305577213Author:Douglas A. Skoog, F. James Holler, Stanley R. CrouchPublisher:Cengage Learning
- Organic ChemistryChemistryISBN:9780078021558Author:Janice Gorzynski Smith Dr.Publisher:McGraw-Hill EducationChemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage LearningElementary Principles of Chemical Processes, Bind...ChemistryISBN:9781118431221Author:Richard M. Felder, Ronald W. Rousseau, Lisa G. BullardPublisher:WILEY

Chemistry
Chemistry
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Cengage Learning

Chemistry
Chemistry
ISBN:9781259911156
Author:Raymond Chang Dr., Jason Overby Professor
Publisher:McGraw-Hill Education

Principles of Instrumental Analysis
Chemistry
ISBN:9781305577213
Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:Cengage Learning

Organic Chemistry
Chemistry
ISBN:9780078021558
Author:Janice Gorzynski Smith Dr.
Publisher:McGraw-Hill Education

Chemistry: Principles and Reactions
Chemistry
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:Cengage Learning

Elementary Principles of Chemical Processes, Bind...
Chemistry
ISBN:9781118431221
Author:Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:WILEY